$A$ woman who substitutes or takes the place of the real mother to nurse the embryo is called

Test tube baby is a technique where:

If a person is suffering from severe male infertility due to very few sperms (oligozoospermia) or even no live sperms (azoospermia) in the ejaculate,it can be overcome by . . . . . . . This should offer couples an alternative to using donor sperm.

Match the Assisted Reproductive Technologies $(ART)$ in Column $I$ with their respective processes in Column $II$ and select the correct option:

Column $I$	Column $II$
$a$. $ZIFT$	$i$. Single sperm cell is injected directly into the cytoplasm of an ovum
$b$. $GIFT$	$ii$. Fertilized egg is transferred to the fallopian tube for further development
$c$. $ICSI$	$iii$. Sperms are introduced into the uterus
$d$. $IUI$	$iv$. Ova and sperms are directly injected into regions of the oviduct where fertilization occurs

What is the transfer of an embryo with more than $8$ blastomeres into the uterus called?

The first case of $IVF-ET$ technique success was reported by: